SpaceX has submitted a daring proposal to the US Federal Communications Commission (FCC) to launch a constellation of up to ...

Stargaze is designed to improve transparency and cooperation in low-Earth orbit, where the number of satellites has surged in ...

NASA engineers explain how a new flat satellite design just worked in orbit, and why it could matter far beyond this mission.

Earth will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 has become a "quasi-moon" to Earth, as it will be sharing an orbit with ...

In 1978, NASA scientist Donald Kessler warned that runaway collisions in orbit could trigger a self-sustaining debris cascade, making space travel nearly impossible. Decades later, crowded orbits, ...

Low-Earth orbit is more crowded—and fragile—than it looks. Satellites constantly weave past each other, burning fuel and ...

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental ...

How did Jupiter’s formation shape the solar system, and specifically Earth’s orbit? This is what a recent study published in Science Advances hopes to address as a team of scientists investigated the ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Scientists are beginning to read Earth in a different way, not from orbit, but from the surface of the moon. A recent study,“Spherical Harmonic Finger.